*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
.container{
    display: flex;
    flex-direction: column;
    align-content: space-around;
    align-items: center;
    align-content: space-around;
    flex-wrap: wrap;
    margin: 10px 10px;
}
.header{
    display: flex;
    flex-direction: column;
    background-color: #f0f0f0;
    width: 100%;
    height: 50px;
    justify-content: center;
    align-items: center;
}
.header h1{
    color:chocolate;
}
.button-wrapper{
    display: flex;
    justify-content: center;
    align-items: center;
}
.btn {
    background-color: chocolate;
    font-size: 18px;
    text-align: center;
    cursor: pointer;
    outline: none;
    transition: .3s ease all;
    margin: 15px 15px;
    color: #fff;
}
.chart-wrapper{
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin: 0 auto;
}

#country{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 60%;
}
#lan{
    display:flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    display: none;
    width: 60%;
}